There are total 3 hours or 180 minutes from 7pm to 10pm. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 8PM to 5PM | 1AM to 4PM | 8PM to 12PM |
| 12PM to 12AM | 12PM to 11PM | 10AM to 5AM |
| 8AM to 12AM | 10AM to 6AM | 5PM to 7PM |
| 11PM to 2AM | 4AM to 1AM | 1PM to 9AM |
| 1AM to 9PM | 7PM to 6AM | 6AM to 2PM |
| 7PM to 8AM | 7PM to 10AM | 4AM to 9PM |
